The color setting of marker posts is usually specified according to national or regional standards, and the following are some common color setting standards:

American Standard:

Expressway: Orange and white reflective stripes.

Road work area: orange.

European standards:

Expressway: Orange and white reflective stripes.

Road work area: orange.

British Standard:

Expressway: Red and white reflective stripes.

Road work area: red.

Australian Standards:

Expressway: Orange and white reflective stripes.

Road work area: orange.

It should be noted that different countries and regions may have different color setting standards, so local regulations and standards should be referred to in specific projects. In addition, the color setting of marker posts may also vary depending on specific purposes and environmental requirements. In practical applications, it is recommended to consult local relevant departments or professional traffic safety agencies to ensure compliance with local regulations and requirements.

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